Dashboard warning light

The “Warning” light on the dashboard

Yellow lightDon’t put off the repair

The triangle with “!” comes on with a message on the instrument cluster display that says what’s wrong. On Toyota and Lexus it’s red.

WarningYellow light · Don’t put off the repair

Tap the light to turn it on or off, just like on the dashboard.

What you can do yourself

  1. Read the message on the cluster display and look it up in the owner’s manual. Many cars keep past messages in the cluster menu.
  2. If a red symbol is also on or the car behaves oddly, stop and find out why.
  3. If there’s no message but the symbol stays on, it needs a scan tool diagnosis.

The description comes from the AvtoElektrik PRO app.

Oleg’s tip: the colour of the symbol tells you how urgent it is

For example: a red oil pressure or overheating light — stop straight away and switch the engine off. A yellow Check Engine light with the engine running smoothly — drive on and get a diagnosis.

Need a mechanic’s help?

Couldn’t fix it yourself? Oleg, an auto electrician, does computer diagnostics and repairs: he comes out anywhere in Almaty or sees you at his workshop.

Want to figure it out yourself?

Oleg’s free course “Car electrics for drivers”: fuses, the battery, dashboard lights — understand it and check it yourself.

Car electrics for drivers course →

Other lights of this colour

All dashboard warning lights →

Who keeps this reference

The reference is kept by Oleg Dmitriev, an auto electrician from Almaty with 26 years of experience: computer diagnostics of cars and trucks, repair of control units (ECUs). Can’t find the cause? Message him.